Redesigned for 2011, the
Silverado heavy-duty lineup is broader than ever, with 10 2500HD
models and eight single- and dual-rear-wheel 3500HD models. In the
Chevrolet display at the SEMA show, a new, accessorized 2500HD
Extended Cab Z71 equipped with the new 6.6L Duramax turbo-diesel
engine Allison 1000 six-speed automatic transmission demonstrated
the personalization possibilities of the new HD lineup.

Outside, the 2011
Silverado 2500HD and 3500HD models are distinguished by a power
dome-style hood with a new, louvered design, as well as a new grille
and full-width chrome steel front bumper. A new lineup of 17-, 18-
and 20-inch wheel/tire combinations is featured, too, and the 2500HD
SEMA show vehicle displays 20-inch wheels that are available through
Chevrolet dealers, but painted Corvette Competition Gray for the
show vehicle.

Additional accessories are either available now or are being
evaluated for future availability.